Home / 668,761,907.25-1,002,745,464.18-254,269,069.44

Finding the Fourth Proportional to 668,761,907.25, 1,002,745,464.18 and 254,269,069.44

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Solution

The fourth proportional to 668,761,907.25, 1,002,745,464.18 and 254,269,069.44 is: 381,252,510.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,761,907.25 : 1,002,745,464.18 = 254,269,069.44 : x
  2. Step 2: Convert to fraction form
    668,761,907.25/1,002,745,464.18 = 254,269,069.44/x
  3. Step 3: Cross multiply
    668,761,907.25x = 1,002,745,464.18 × 254,269,069.44
  4. Step 4: Simplify right side
    668,761,907.25x = 254,967,156,062,229,440
  5. Step 5: Solve for x
    x = 254,967,156,062,229,440/668,761,907.25
  6. Step 6: Final answer
    x = 381,252,510.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.